diff options
Diffstat (limited to 'mm/cma_sysfs.c')
| -rw-r--r-- | mm/cma_sysfs.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/mm/cma_sysfs.c b/mm/cma_sysfs.c index f50db3973171..97acd3e5a6a5 100644 --- a/mm/cma_sysfs.c +++ b/mm/cma_sysfs.c @@ -62,6 +62,24 @@ static ssize_t release_pages_success_show(struct kobject *kobj, } CMA_ATTR_RO(release_pages_success); +static ssize_t total_pages_show(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + struct cma *cma = cma_from_kobj(kobj); + + return sysfs_emit(buf, "%lu\n", cma->count); +} +CMA_ATTR_RO(total_pages); + +static ssize_t available_pages_show(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + struct cma *cma = cma_from_kobj(kobj); + + return sysfs_emit(buf, "%lu\n", cma->available_count); +} +CMA_ATTR_RO(available_pages); + static void cma_kobj_release(struct kobject *kobj) { struct cma *cma = cma_from_kobj(kobj); @@ -75,6 +93,8 @@ static struct attribute *cma_attrs[] = { &alloc_pages_success_attr.attr, &alloc_pages_fail_attr.attr, &release_pages_success_attr.attr, + &total_pages_attr.attr, + &available_pages_attr.attr, NULL, }; ATTRIBUTE_GROUPS(cma); |